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Arena vs ChatALL: catalog facts
Arena	ChatALL
Free The site shows no paid plan; chatting and voting are open to visitors.	Free Free and open source; the chatbots it connects to may need their own accounts or API keys.
Web	Windows, macOS, Linux
Compare answers from different models on the same prompt Public leaderboard built from community votes	Queries many chatbots with one prompt Side-by-side comparison of answers
Prompts are sent to third-party AI providers Responses may be inaccurate, as the site itself notes	Depends on the accounts or API keys of each connected service Some listed bots, such as Bing Chat and Bard, have since been renamed or changed
Web application	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.